81425968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13499}}^1$

素因数の和:13549

約数の個数: 40

約数和(自身を含む): 175770000

約数和(自身を除く): 94344032

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 6032, 13499, 26998, 53996, 107992, 175487, 215984, 350974, 391471, 701948, 782942, 1403896, 1565884, 2807792, 3131768, 5089123, 6263536, 10178246, 20356492, 40712984, 81425968]

約数ペア:

[(1, 81425968), (2, 40712984), (4, 20356492), (8, 10178246), (13, 6263536), (16, 5089123), (26, 3131768), (29, 2807792), (52, 1565884), (58, 1403896), (104, 782942), (116, 701948), (208, 391471), (232, 350974), (377, 215984), (464, 175487), (754, 107992), (1508, 53996), (3016, 26998), (6032, 13499)]